Per NBC News, the Hoboken station "is one of the busiest in the greater New York City area, with an estimated 50,000 commuters passing through every day." The outlet also reports that the trains also don't have seat belts. As you can see below, the crash is very serious and is quite scary. It's certainly a frightening situation and then to hear live accounts from those actually involved makes it all the more real. No one knows better of what it was like and continues to be like than those part of the crash and even those who witnessed it.

Here is an official statement from the New Jersey Transit regarding the crash via ABC News: